// Ass2.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "conio.h"
#include "iostream"
#include "iomanip"
#include "fstream"
#include "sstream"

#define clrscr()

using namespace std;

const float ZONE1_CHARGE=0.1, ZONE2_CHARGE=0.2, ZONE3_CHARGE=0.3,ZONE4_CHARGE=0.4;// Corresponding delivery zone charges
const int   ZONE1=5, ZONE2=12, ZONE3=20; // Delivery zones representing miles from shop
const int   QUALITY_1=11,QUALITY_2=13,QUALITY_3=14,QUALITY_4=17,QUALITY_5=20; // Price per sq m of carpet (based on quality)
const int   GUARANTEE_Q1=1,GUARANTEE_Q2=2,GUARANTEE_Q3=3,GUARANTEE_Q4=4,GUARANTEE_Q5=5; // Guarantee periods for corresponding quality prices
const int   INITIAL_QUOTE_REF_NUM=1000;
const int   NAME_LEN=20;
const int   QUOTE_COL_WIDTH = 7, NAME_COL_WIDTH = NAME_LEN, COST_COL_WIDTH = 11, DELIVERY_COL_WIDTH = 12, TOTAL_COL_WIDTH = 9, GUARANTEE_COL_WIDTH = 2;
const int   TABLE_WIDTH = 79; // Num of characters in output table row
const char  POUND_SIGN = 156;

void main()
{
  fstream quotesFile, quotesFileCopy;
  string  custRecord;
  float   Length=0, Width=0, Area=0, Cost=0, DeliveryCharge=0;
  int     UnitPrice=0, GuaranteePeriod=0, DelDistance=0, QuoteNum=INITIAL_QUOTE_REF_NUM;
  char    AnotherQuote, DelRequired, c;
  char    Name[NAME_LEN];
  bool    ValidPrice;

	  quotesFile.open("Quotes.txt", ios::in);
	  if(quotesFile.fail())
	  {
		  cout << "Master text file cannot be read. Program terminating." << endl;
		  return;
	  }

	  quotesFileCopy.open("QuotesCopy.txt", ios::out); 
	  if(quotesFileCopy.fail())
	  {
		  cout << "Text file cannot be read. Program terminating." << endl;
		  return;
	  }

	  getline(quotesFile, custRecord);

	  while (!quotesFile.fail() )
	  {
		  int i = 0;
		  while(!custRecord == 0)
		  {
			  c = custRecord;
			  cout << c;
			  i++;
		  }

	  cout << endl;

	  quotesFileCopy << custRecord << endl;

	  getline(quotesFile, custRecord); 

	  }

	  quotesFile.close(); 
	  quotesFileCopy.close();

  do
  {
     clrscr();

     cout << "\nPlease enter surname and initials: ";
     cin >> ws;
     cin.getline(Name,NAME_LEN);

     cout << "Please enter length of room (m): ";
     cin >> Length;

     cout << "Please enter width of room (m): ";
     cin >> Width;

     do
     {
       DeliveryCharge=0;
       ValidPrice = true;

       cout << "Please enter the price per square metre from the following price range:\n";
       cout << POUND_SIGN << QUALITY_1 << ", " << POUND_SIGN << QUALITY_2 << ", " << POUND_SIGN
            << QUALITY_3 << ", " << POUND_SIGN << QUALITY_4 << ", " << POUND_SIGN << QUALITY_5 << "\n\n" << POUND_SIGN;
       cin >> UnitPrice;

       cout << "\n";

       //Assign correct guarantee period for unit price entered.
       switch(UnitPrice)
       {
         case QUALITY_1 : GuaranteePeriod=GUARANTEE_Q1;  break;
         case QUALITY_2 : GuaranteePeriod=GUARANTEE_Q2;  break;
         case QUALITY_3 : GuaranteePeriod=GUARANTEE_Q3;  break;
         case QUALITY_4 : GuaranteePeriod=GUARANTEE_Q4;  break;
         case QUALITY_5 : GuaranteePeriod=GUARANTEE_Q5;  break;
         default        :  cout << "\n\nInvalid price.\n\n";
                           ValidPrice = false;
       }

     }while (!ValidPrice);


     Area = Length * Width;
     Cost = Area * UnitPrice;

     cout << "Do you require delivery? (Y/N) ";
     cin >> DelRequired;

     //Force correct input to delivery question.
     while(toupper(DelRequired)!='Y' && toupper(DelRequired)!='N')
     {
       cout << "Invalid character  - enter Y or N:";
       cin >> DelRequired;
     }

     if(toupper(DelRequired)=='Y')
     {
       cout << "\n\nPlease enter your delivery distance in miles: ";
       cin >> DelDistance;

       if(DelDistance >=0 && DelDistance <=ZONE1)
       {
         DeliveryCharge = Cost * ZONE1_CHARGE;
       }
       else
       {
         if(DelDistance <=ZONE2)
         {
           DeliveryCharge = Cost * ZONE2_CHARGE;
         }
         else
         {
           if(DelDistance <=ZONE3)
           {
             DeliveryCharge = Cost * ZONE3_CHARGE;
           }
           else
           {
             DeliveryCharge = Cost * ZONE4_CHARGE;
           }
         } //end else > ZONE2
       } //end else > ZONE1
     } //end delivery required

     cout << endl << endl << endl
          << setfill('_') << setw(TABLE_WIDTH) << "" << "\n\n"
          << setfill(' ')
          << setw(7) << "   Ref  | " << setw(NAME_COL_WIDTH) << "         Name        | " << setw(COST_COL_WIDTH) << "Carpet | " << setw(DELIVERY_COL_WIDTH)
          << "Delivery | " <<  setw(TOTAL_COL_WIDTH) << "  Total   | " << setw(GUARANTEE_COL_WIDTH+7) << "Guarantee |" << endl
          << setfill('_') << setw(TABLE_WIDTH) <<  "" << "\n\n" << setfill(' ');

     cout << fixed << showpoint << setprecision(2);

     cout << setfill(' ')
          << setw(7) << QuoteNum << " | "
          << setw(NAME_COL_WIDTH) << Name << " | "
          << setw(1) << POUND_SIGN << setw(COST_COL_WIDTH-4)  << Cost << " | "
          << setw(1) << POUND_SIGN << setw(DELIVERY_COL_WIDTH-4) << DeliveryCharge << " | "
          << setw(1) << POUND_SIGN << setw(TOTAL_COL_WIDTH-1) << Cost + DeliveryCharge << " | "
          << setw(7) << "Years: " << setw(GUARANTEE_COL_WIDTH)  << GuaranteePeriod << " |"
          << endl;

     cout << "\n\nDo you require another quote? ";
     cin >> AnotherQuote;

  } while(AnotherQuote=='Y'||AnotherQuote=='y');

  cout << "\n" << endl;
  system("pause");
}